Question

Dry ice (solidified CO₂) is used for the

a.

storage & shipment of frozen foods and ice-creams.

b.

liquefaction of permanent gases.

c.

liquefaction of natural gas.

d.

none of these.

Answer: (a).storage & shipment of frozen foods and ice-creams.

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Q. Dry ice (solidified CO₂) is used for the

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